IELHK1111-30431-1-V is a four-pole hydraulic magnetic circuit protector designed for reliable circuit protection and accurate circuit control in international applications. The unit features an internal mechanical interlock that actuates all poles simultaneously, with a flat rocker handle design that prevents accidental actuation while providing aesthetic appeal and the highest degree of circuit protection. The four-pole construction operates with a minimum of two center toggle handles or with a handle per pole, and supports mixing of delays, ratings, and configurations in each individual pole. Breaker poles are numbered consecutively from left to right when viewed from the terminal side, with the ON position up. The unit has a maximum width of 3.015 inches (76.58 mm) and is VDE approved to VDE 0660, part 101, meeting international standards for circuit protection. These protectors are ideal for equipment requiring low-cost power switching with reliable protection in industrial and commercial applications.